CTC is based on successful public health models of community action. The most common -- and most effective -- of these models involve seven key steps, illustrated here. CTC has been designed to guide communities through the five most critical and most challenging steps in this process, from community mobilization through outcomes evaluation.

CTC is a prevention planning system that helps communities to develop an integrated approach to promoting the positive development of children and youth and to preventing problem behaviors, including substance abuse, delinquency, teen pregnancy, school dropout, and violence..

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